Table 3.
Descriptive statistics of sleep diary and pre-sleep arousal ratings.
| Primary insomnia group (n = 126) | Insomnia associated to a mental disorder group (n = 61) | |
|---|---|---|
| Sleep diary measures | ||
| SOL (in minutes) | 42.69 (31.24) | 57.53 (38.71) |
| WASO (in minutes) | 75.22 (40.58) | 72.49 (42.20) |
| TST (in minutes) | 367.83 (62.40) | 364.77 (80.84) |
| SE (in %) | 75.83 (10.22) | 73.44 (12.70) |
| Pre-sleep arousal ratings (VAS) | ||
| Active mind | 47.58 (26.44) | 56.75 (25.18) |
| Anxious | 34.25 (24.24) | 45.24 (24.52) |
Values are mean (SD). SOL, sleep onset latency; WASO, wake after sleep onset; TST, total sleep time; SE, sleep efficiency; VAS, visual analogue scale